fix(security): workaround for CVE-2022-23960
Implements the loop workaround for Cortex Makalu/Makalu-ELP/Hunter
and Neoverse Demeter/Poseidon.
Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: If5f6689b662ecac92491e0c0902df4270051ce5b
diff --git a/include/lib/cpus/aarch64/neoverse_poseidon.h b/include/lib/cpus/aarch64/neoverse_poseidon.h
index 0a8b1d1..798ecd1 100644
--- a/include/lib/cpus/aarch64/neoverse_poseidon.h
+++ b/include/lib/cpus/aarch64/neoverse_poseidon.h
@@ -10,6 +10,9 @@
#define NEOVERSE_POSEIDON_MIDR U(0x410FD830)
+/* Neoverse Poseidon loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_POSEIDON_BHB_LOOP_COUNT U(132)
+
/*******************************************************************************
* CPU Extended Control register specific definitions.
******************************************************************************/